Image: "OTPS1KW-ASM-TOPSIDE-R2 w-balloons"

The inside of the topside power supply unit highlighting the (1) ground wire connection, (2) tether connection, (3) power cable input, (4) laptop charger outlet, (5) power switch, (6) LIM/GFI test switch, (7) status display, (8) laptop tray, (9) user access panel, (10) USB-B FXTI connection, (11) External FXTI connection, and (12) Fathom-X LINK and POWER indicators.